标准号:NFT35-501-2-2001
英文标准名称:Preparationofsteelsubstratesbeforeapplicationofpaintsandrelatedproducts-Visualassessmentofsurfacecleanliness-Part2:preparationgradesofpreviouslycoatedsteelsubstratesafterlocalizedremovalofpreviouscoatings
国际标准分类号:25.220.10